| #6141 | Problems of control and information theory. -- Budapest : Akadémiai Kiadó, 1972-1991. -- ISSN 0370-2529 |
| #6142 | Proceedings. -- London : Chartered Institute of Transport, 1992-. -- ISSN 0965-1454 |
| #6143 | Proceedings - American Concrete Institute. -- Detroit : American Concrete Institute, 1930-. -- ISSN 0097-4145 |
| #6144 | Proceedings - American Society for Testing Materials. -- Philadelphia : American Society for Testing Materials, 1902-1988. -- ISSN 0066-0515 |
| #6145 | Proceedings - Australasian Institute of Mining and Metallurgy. -- Australie : Melbourne : Australasian Institute of Mining and Metallurgy, 1958-1983. -- ISSN 0004-8364 |
| #6146 | Proceedings - Institute of Refrigeration. -- Velká Británie : London : Institute of Refrigeration, 1943-2002. -- ISSN 0073-9677 |
| #6147 | Proceedings - Institute of Wastes Management. -- Northampton : Institute of Wastes Management, 1992-1999. -- ISSN 0968-7068 |
| #6148 | Proceedings - Institution of Civil Engineers. -- London : Institution of Civil Engineers, 1957-1972. -- ISSN 0020-3262 |
| #6149 | Proceedings of Faculty of Engineering, Keiogijuku University. -- Japonsko : Tokyo : vl. n., 1948-1949 |
| #6150 | Proceedings of IREE. -- Australie : Sydney : Institution of Radio and Electronics Engineers Australia, 1972-1975. -- ISSN 0314-4313 |